Cita APA (7a ed.)

Willner, A. H. (1991). Behavioral deficiences of aggressive 8-9 year old boys - an observational study. Aggressive behavior, 17(3), 135-154.

Cita Chicago Style (17a ed.)

Willner, A. H. "Behavioral Deficiences of Aggressive 8-9 Year Old Boys - an Observational Study." Aggressive Behavior 17, no. 3 (1991): 135-154.

Cita MLA (9a ed.)

Willner, A. H. "Behavioral Deficiences of Aggressive 8-9 Year Old Boys - an Observational Study." Aggressive Behavior, vol. 17, no. 3, 1991, pp. 135-154.